<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi,chartBIanalysis  } from "@/api/tool/datav/chartApi";

import { addOption } from "../../codegen/codegen";
import { dealWithData, testData } from '../../util/utilFun';
import { pieMoreBIanalysis } from "@/api/tool/datav/chartBI/chartPieMoreBI";
import { getFormsource } from "@/api/tool/datav/formsource";

const animationDuration = 6000;
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.setOptions(JSON.parse(JSON.stringify(newVal)));
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    //this.$nextTick(() => {
    this.initChart();
    //});
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      //console.log("=>", dataOption);

      //初始化数据，判断数据源
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);
        //let interfaceURL = 'http://localhost:8088/chart/api/bar';
        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //先判断输入的url是否合法
        // if(fIsUrL(dataOption.interfaceURL)) {
        //   try {
        //     //ajax请求
        //     var paramJson = parseQueryString(dataOption.requestParameters);
        //   } catch (error) {

        //   }
        // }

        //console.log(paramJson);
      } else if (dataOption.dataSourceType == "database") {
        if (
          dataOption.database.executeSql != undefined &&
          dataOption.database.executeSql != ""
        ) {
          let result = [];
          if(dataOption.database.sqlType != 'custom'){
          
            result = await pieMoreBIanalysis(dataOption.database);
          }else{
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      if (dataOption.animate != null) {
        //添加动画样式
        //animateUtil.addAnimate(dataOption.bindingDiv, dataOption.animate);
      }
      //数据格式转换
      if(dataOption.newDataFormat == true && !(dataOption.dataSourceType == 'database' && dataOption.bi != null)){
        let sortData = dealWithData(dataOption.staticDataValue,"name");
        let axisData = [];
        let staticValue = [];
        sortData.forEach(element => {
          let data = {"name":element.type,"value":element.data[0].value};
          axisData.push(element.type);
          staticValue.push(data)
          
        });
        staticValue.forEach(element => {
          element.axisData = axisData
        });
        dataOption.staticDataValue = staticValue;      
      }

      if (dataOption.staticDataValue.length > 0) {
        let axisData = dataOption.staticDataValue[0].axisData;
        dataOption.legend.data = axisData;

        var num = dataOption.staticDataValue;
        //console.log("num", num);

        let maxValue = 0;
        dataOption.staticDataValue.forEach(element => {
          maxValue += parseFloat(element.value);
        });

        var pieradius = [dataOption.innerRadius, dataOption.outerRadius]; // 半径
        var seriesData = [];
        var labelTop = {
          normal: {
            label: {
              show: true,
              position: "center",
              formatter: "{b}",
              textStyle: {
                baseline: "bottom"
              }
            },
            labelLine: {
              show: true
            }
          }
        };
        var labelFromatter = {
          normal: {
            label: {
              formatter: function(params) {
                return 100 - params.value + "%";
              },
              textStyle: {
                baseline: "top"
              }
            }
          }
        };
        var labelBottom = {
          normal: {
            color: "#ccc",
            label: {
              show: true,
              position: "center"
            },
            labelLine: {
              show: false
            }
          },
          emphasis: {
            color: "rgba(255,255,255,0.7)"
          }
        };

        if (typeof dataOption.centerX == "undefined") {
          dataOption.centerX = 20;
        }
        if (typeof dataOption.centerY == "undefined") {
          dataOption.centerY = 30;
        }
        let col = 4; //列数
        if (dataOption.col != null) {
          col = dataOption.col;
        }

        let seriesDataArr = [];
        let xinterval = 100; //每个环宽度占比
        let yinterval = 100; //每个环高度占比

        if (dataOption.staticDataValue.length > 0) {
          xinterval = Math.round(100 / col);
          yinterval = Math.round(
            100 / Math.ceil(dataOption.staticDataValue.length / col)
          );
        }
        if (yinterval == 100) {
          yinterval = 0;
        }
        if (xinterval == 100) {
          xinterval = 0;
        }

        for (var i in dataOption.staticDataValue) {
          let seriesData = {
            type: "pie",
            center: [dataOption.centerX + "%", dataOption.centerY + "%"],
            radius: pieradius,
            x: (parseInt(i) % col) * xinterval + 5 + "%", // for funnel
            y: Math.floor(parseInt(i) / col) * yinterval + "%", // for funnel
            //itemStyle: labelFromatter,
            data: [
              {
                name: dataOption.staticDataValue[i].name,
                value: dataOption.staticDataValue[i].value,
                itemStyle: labelTop
              },
              {
                value: maxValue - dataOption.staticDataValue[i].value,

                name: "其他",
                itemStyle: labelBottom
              }
            ]
          };
          seriesDataArr.push(seriesData);
        }

        let option = {
          title: {
            text: dataOption.title.text, //主标题
            textStyle: {
              color: "#fff", //颜色
              fontWeight: dataOption.title.textStyle.fontWeight, // 粗细
              fontFamily: dataOption.title.textStyle.fontFamily, // 字体
              fontSize: dataOption.title.textStyle.fontSize, // 字号大小
              align: "center" //水平对齐
            },
            subtext: dataOption.title.subtext, //副标题
            subtextStyle: {
              //对应样式
              color: "#fff",
              fontWeight: dataOption.title.textStyle.fontWeight, // 粗细
              fontFamily: dataOption.title.textStyle.fontFamily, // 字体
              fontSize: dataOption.title.textStyle.fontSize - 5,
              align: "center"
            },
            x: dataOption.title.x,
            itemGap: 7
          },
          legend: dataOption.legend,
          grid: {
            left: 30,
            // right: "2%",
            //bottom: "20%",
            //top: "20%",
            containLabel: true
          },
          tooltip: {
            show: true,
            trigger: "item",
            formatter: "{b} : {c} ({d}%)"
          },
          series: seriesDataArr
        };

      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }
        this.chart.setOption(option, true);

        addOption(dataOption.bindingDiv, option);

        //开启图表联动
        if (dataOption.isLink == true) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              seriesName: params.seriesName,
              data: params.value
            };

            let arrs = JSON.stringify(arrObject);

            //获取绑定的图表
            let bindList = this.chartOption.bindList;

            if (bindList.length > 0) {
              linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
            }
          });
        }
        // else{
        //   //关闭图表联动，取消echart点击事件
        //   this.chart.off('click');
        // }

        //开启图表下钻
        else if (dataOption.isDrillDown == true) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              seriesName: params.seriesName,
              data: params.value
            };

            let arrs = JSON.stringify(arrObject);

            //获取绑定的图表
            let drillDownChartOption = this.chartOption.drillDownChartOption;

            if (
              drillDownChartOption != undefined &&
              drillDownChartOption != null
            ) {
              this.$set(
                this.chartOption.drillDownChartOption.chartOption,
                "requestParameters",
                "drillParam=" + arrs
              );
              //发送下钻消息
              VueEvent.$emit(
                "drill_down_msg",
                this.chartOption.drillDownChartOption
              );
            }
          });
        } else {
          //关闭图表联动，取消echart点击事件
          this.chart.off("click");
        }
      }
      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              seriesName: params.seriesName,
              data: params.value
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>
